Watch List notes:

Valerian II. Caesar, AD 256-258. AR Antoninianus (23mm, 3.89 g, 6h). Samosata mint. 1st-2nd emissions of Valerian I and Gallienus. Radiate and draped bust right / Spes advancing left, holding flower and lifting hem of dress. RIC V 52; MIR 36, 1695b; RSC 92. EF, light roughness. Good silver.